FIG. 1 is a perspective view of a side element of a shoe upper showing my new design;

FIG. 2 is a lateral side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and,

FIG. 5 is a top plan view thereof.

The broken line showing of a shoe sole, midsole and the remaining portion of the shoe upper shown in FIGS. 1-6 is for illustrative purposes only and forms no part of the claimed design.